The ~ of a situation, problem, or argument is the central and most basic part of it.
That, I think, is the ~ of the problem...
Here we reach the ~ of the argument.
= crux
N-SING: the N, usu N of n
The ~ of a situation, problem, or argument is the central and most basic part of it.
That, I think, is the ~ of the problem...
Here we reach the ~ of the argument.
= crux
N-SING: the N, usu N of n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012